Guide-rollers for overhead conveyers.



S. H. LIBBY.

GUIDE ROLLERS FOR OVERHEAD GONVBYBRS.

APPLICATION FILED OGT.7, 1912.

1,1 19,762. Patented Dec.1,1914.

Witnesses: Inventor:

5%! Sam H.L ibb 29W; His fitter-he urr sears rnrnnronrio satin. t nn or nasr ensues, NEW JERSEY, sssrenon r Gamma nnncrme comr'nuv, A oonr'onari'oiv or new roan.

I GUUJE-ROLLERS FOR OVERHEAD CONVEYERS.

Application filed October 7, 1912. Serial No. 724,335

To all whom it may concern: Be it known that I, SAM H mmer, a citizen of the United States, residing at East Orange, county of Essex, State of New Jersey, have invented certain new and useful Improvements in GuideRoller's for Overhead Conveyors, of which the following is aspecification. This invention relates to overhead conveyers of the type shown in my prior patent, granted April 2, 1912, No. l,022,0 33, wherein a frame carrying electrically driven hoisting drums is suspendedat each end from a truck adapted to run on an overhead track, or runway.

The truck has four wheels, two on eachv side, andeach wheel mountedon its own. axle. The wheels run on rails supported on opposite sides of an I beam and preferably by the lower flanges thereof, so that the beam lies between the two pairs of wheels on opposite sides of the truck. To keepv them in proper position on the rails,the wheelshave flanges on their outer edges. When such a truck rounds a curve in the track the Wheel flanges are crowded against the rails, producing wear of the flanges and rails, and

requiring'greater power to drive the conveyer. i My invention aims to prevent all this by providing the truck with guide rolls'rotacated as to come in contact with the inner rail when the truck strikes a curve. In this event, the guide rolls sustain the side thrust so as to prevent the truck from such lateral displacement as to bring its wheel flanges The overhead track or runway consists of a beam 1 on whose lower flanges are supported the rails 2, one on each side. The conveyer has a housing 3 carrying the elec? trically driven hoistin drums 4 and sus-- pended at each end from an electrically driven truck 5 running on the rails 2. 1 Each truck has a frame 6 passing under the beam 1 and having side plates 7, each Specification of Letters Patent.

- supported on the rails 2.

rails 2.

- pears from Fig. 3,

Patented net. i, an.

- carrying two short axles on which, are

mounted supporting'wheels .9 having outside flanges 10. The wheels on opposite sides of the truck stand opposite Extending fore and aft from the front and rear of the truck and preferably integral with the side plates, are brackets ll on which are supported upright studs 12 carrying guide rollers 13 which rotate in the horizontal plane of the heads 14 of the The brackets are long. enough to bring the guide rolls considerably beyond the truck wheels,

When the'conveyer is running on a tangent,,the rolls do not touch-the rails, as apbut'on a sharp curve the inside rolls by reason of their greater distance from the middle of the truck strike the inside rail, as shown in Fig. 54.- and sustain the sidethrust on the truck, effectually preventing from grinding-against the rails. This re duces wear and friction and lessens the power required to move the conveyor around the. curve:

In accordance with the provisions er the patent statute's, I have described the prinrepresent the best embodiment thereof; but tably'mounted on vertical studs and so lo- I desire to have itunderstood that theapparatus shown is only illustrative, and that each other and are I as shown in Figs. 2 and 4. v

the flanges of the wheels" the invention can be carried out by other means.

.What I claim asnew and desire to secure by Letters Patent of the United States, is 1. The combination with an overheadcon-- veyer truck having flanged wheels for run-' ning on suspended rails, of guide rolls rotating in the horizontal plane ,of said rails and adapted to come in contact with'the 'in- 1 side, rail on curves and prevent the flanges of the .wheels on the inside ofthe curve from grinding against the inside rail.

2. The combination with suspended rails,

1.0.0 of a conveyor truck having flanged 'wheels' running thereon, and guide rolls at-the front and rear of'said truck rotatable in the horizontal plane of said rails but not touching them except on curves, 3. The combination with an overhead truch having flanged wheels for running on suspended rails of guide rollers mounted in advance 0f said Wheels and at the near thereof to engage the rails 0n curves but 2101 anally out of engagement tl'lerenith.

An overheal conveyer for running on suspended rails cemprising 5W0 trucks and a housing supported between the same, each of saicl trucks having flanged Wheels, and guide rollers mounted in ad'\-ance of said Wheels and art the rear thereof to engage aha rails on curves but normally out of Qngagement therewlth.

in WJJBDGSS whereof i have hm'eunto set my hand this 4th day of Uctober 1912.

SA /Z H. LIBEY.

Witnesses:

ROGER H. ,UU'ITERWORTH,

ANNA T. WIOLVLXNUS. 

